Finding the Fourth Proportional to 31,051.44, 42,851.88 and 16,904.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,051.44 : 42,851.88 = 16,904.52 : x
2. Step 2: Convert to fraction form
   31,051.44/42,851.88 = 16,904.52/x
3. Step 3: Cross multiply
   31,051.44x = 42,851.88 × 16,904.52
4. Step 4: Simplify right side
   31,051.44x = 724,390,462.50
5. Step 5: Solve for x
   x = 724,390,462.50/31,051.44
6. Step 6: Final answer
   x = 23,328.72